4//ExampleSurface.bvr\n\n//sphere\ncyl=sphere\ncyl.setMinMax=s,0,3.14\ncyl.setMinMax=t,0,6.6\ncyl.setEquation=x,(3*cos(t)*sin(s))\ncyl.setEquation=y,(3*sin(t)*cos(s))\ncyl.setEquation=z,(3*cos(s))\ncyl.setSegmentCount=100\ncyl.color=red\n\n\n//circle1\ncir1=parametricCurve\ncir1.setMinMax=s,0,3.14\ncir1.setMinMax=t,0,6.6\ncir1.setEquation=x,(1/2*cos(t))\ncir1.setEquation=y,(1/2*sin(t))\ncir1.setEquation=z,(0t)\ncir1.setSegmentCount=100\ncir1.color=green\ncir1.spawn \n\n//circle2\ncir2=parametricCurve\ncir2.setMinMax=s,-1,1\ncir2.setMinMax=t,0,6.6\ncir2.setEquation=x,(1/4*sin(t))\ncir2.setEquation=y,(1/3)\ncir2.setEquation=z,(1/4*cos(t))\ncir2.setSegmentCount=100\ncir2.color=white\ncir2.spawn